Ozone filter and method of production thereof

Details Ozone filter and method of production thereof Ozone filter and method of production thereof

1992-07-16

1993-11-16

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

For deodorizing of, or chemical purification of, or...

Including solid, extended surface, fluid contact reaction...

422120, 55524, 55527, 55DIG5, 428116, 423219, 423581, 502324, B01D 3920, B01J 2334

Patent

active

052621294

ABSTRACT:
An ozone filter for decomposing ozone in the air is disclosed. The ozone filter is composed of a carrier formed by paper made of inorganic fibers having a porosity of 70 to 95%. The carrier is impregnated with a solution of fine powder-like activated manganese dioxide dispersed in water and having a particle size of 0.3 to 50 .mu.m and a specific surface area of not less than 100 m.sup.2 /g in an amount of not less than 40 g/m.sup.2, on a dry white base of activated manganese dioxide, which is allowed to adhere to the carrier, and is then dried. The ozone filter thus produced is more active and has a longer life with a reduced pressure loss than conventional ozone filters.

REFERENCES:
patent: 4207291 (1980-06-01), Byrd et al.
patent: 4280926 (1981-07-01), Abe et al.
patent: 4992319 (1991-02-01), Kurosawa et al.
patent: 5112796 (1992-05-01), Iannicelli

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